Is a 175/70-13 Tire Size a Trailer Tire or Will a 175/80-13 Fit in Its Place

Question

Question:

I am looking for a trailer tire, ST175/70/R13. Do you have one? Is there a replacement for this size with another number. It goes on a Ranger Boat trailer.

asked by: Sid

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Expert Reply:

Usually, a 175/70-13 is a passenger car tire. What you can do to verify is look at the tire again and if there is a number after the size, like 82Q, it is not a trailer tire. Trailer tires do not have this additional number, which is a load index and speed rating.

The closest fit would be a 175/80-13. This tire will be the same width as your current tires but will be 1-3/8 inches taller. For just the tire without the wheel, you can use # AM10210, which is a load range D radial tire.

If you need a tire and wheel combo we have them with 2 different bolt patterns; 4 on 4 and 5 on 4-1/2. I have included a link to our tire FAQs for you.

expert reply by: Michael H

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Answer 1

Tire sizes that start with the letter P are for passenger vehicles and should not be used on a trailer. That is also why you can't find the exact same size since that is not a common trailer tire size. Your best option is going to be to replace…

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Answer 2

Most likely what you'll want is a wheel and tire combo like the part #AM3S130 which is a tire size of ST175/80-13 mounted on a wheel with a 4 on 4 inch bolt pattern. But we do need to verify your bolt pattern is 4 on 4 inch. Could I get you to…

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Answer 3

The easy answer is that as long as there's an "ST" in front of the tire size it's going to be totally fine and safe to use on a camper trailer. That said, a 175/70-13 tire size is not a standard trailer size so most likely what you…

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Answer 4

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 5

The difference between an load range C and load range D tire in the same size is the capacity and psi rating. The two tires will still have the same dimensions and fit on the same wheel. The D rated tire has a higher capacity. For a ST175/80D13 like…

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Answer 6

The 5.30-12 tires, being wider, are going to make more contact with the road. This means that the noise, and heat build up will be higher than a 4.80-12 tire but the rolling resistance will actually be less because the tire is larger diameter. The…

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Answer 7

Since both a ST145/R12 size tire, like the Kenda Karrier S-Trail #AM10130, and a 5.30-12 size tire, like the Kenda K353 #AM10068, fit a 12 inch wheel, a ST145/R12 size tire can replace a 5.30-12 size tire. Keep in mind that these tires do have…

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Answer 8

Hello Bob, thanks for reaching out. You've probably never heard of it because the Strider of tires are a new line made by Taskmaster, which is a brand you may have heard of. Basically, the Strider tires are designed for smoother ride quality. So…

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Answer 9

The three most common lug stud sizes for a trailer are 1/2"-20, 9/16"-18, and 5/8"-18. In order to make sure you get the correct lug nuts you need to measure the lug studs on the trailer now as we have no way to look this up for…

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Answer 10

Wheel bolt patterns are defined by two numbers: the first being the number of lug nuts and the second being the diameter of the circle the lug nuts are arranged in. So a 5 on 4-1/2 bolt pattern is 5 lugs arranged in a circle that is 4-1/2 inches in…

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Answer 11

Yes, the Kenda Karrier S-Trail ST145/R12 Radial Trailer Tire #AM10140 referenced in your question will fit the same 12 inch wheel with a 4 inch width that your existing 4.80-12 size tires are mounted to. Just note that the ST145/R12 tire will be…

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Answer 12

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Is a 175/70-13 Tire Size a Trailer Tire or Will a 175/80-13 Fit in Its Place

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